But there's nearly always a healthy option nearby. E.g. McDonald's has a Caesar salad that comes out at ~200kcal
Another aid in weight loss is exercise. It helps you burn more calories, resist cravings, feel happier. I
t doesn't matter what you do, just find ways to move every day. Finally, getting enough sleep is very important for weight loss. A nutritionist told me that if your body is tired, your brain will amp up sugar cravings because sugar is a quick form of energy.
Finally in so far as losing weight, try to incorporate active things into your life. For instance, switching to public transport gives you more time walking (or running) than you ordinarily would have if you drove. If you are grocery shopping or going for coffee nearby take your bicycle. If you don't have a basket, cable tie a milk crate to your handlebars.
Also, within your current budget identify easy changes to swap chips for a piece of fruit, lean protein instead of sugary oatmeal in the morning, etc.